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Diffstat (limited to 'src/systemc/ext/tlm_core/tlm_2/tlm_sockets/tlm_target_socket.h')
| -rw-r--r-- | src/systemc/ext/tlm_core/tlm_2/tlm_sockets/tlm_target_socket.h | 255 |
1 files changed, 255 insertions, 0 deletions
diff --git a/src/systemc/ext/tlm_core/tlm_2/tlm_sockets/tlm_target_socket.h b/src/systemc/ext/tlm_core/tlm_2/tlm_sockets/tlm_target_socket.h new file mode 100644 index 000000000..030643294 --- /dev/null +++ b/src/systemc/ext/tlm_core/tlm_2/tlm_sockets/tlm_target_socket.h @@ -0,0 +1,255 @@ +/***************************************************************************** + + Licensed to Accellera Systems Initiative Inc. (Accellera) under one or + more contributor license agreements. See the NOTICE file distributed + with this work for additional information regarding copyright ownership. + Accellera licenses this file to you under the Apache License, Version 2.0 + (the "License"); you may not use this file except in compliance with the + License. You may obtain a copy of the License at + + http://www.apache.org/licenses/LICENSE-2.0 + + Unless required by applicable law or agreed to in writing, software + distributed under the License is distributed on an "AS IS" BASIS, + WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or + implied. See the License for the specific language governing + permissions and limitations under the License. + + *****************************************************************************/ + +#ifndef TLM_CORE_TLM_TARGET_SOCKET_H_INCLUDED_ +#define TLM_CORE_TLM_TARGET_SOCKET_H_INCLUDED_ + +#include "tlm_core/tlm_2/tlm_sockets/tlm_base_socket_if.h" +#include "tlm_core/tlm_2/tlm_2_interfaces/tlm_fw_bw_ifs.h" + + +namespace tlm { + +template <unsigned int BUSWIDTH = 32, + typename FW_IF = tlm_fw_transport_if<>, + typename BW_IF = tlm_bw_transport_if<> > +class tlm_base_target_socket_b +{ +public: + virtual ~tlm_base_target_socket_b() {} + + virtual sc_core::sc_port_b<BW_IF> & get_base_port() = 0; + virtual sc_core::sc_export<FW_IF> & get_base_export() = 0; + virtual FW_IF & get_base_interface() = 0; +}; + +template <unsigned int BUSWIDTH, + typename FW_IF, + typename BW_IF> class tlm_base_initiator_socket_b; + +template <unsigned int BUSWIDTH, + typename FW_IF, + typename BW_IF, + int N, + sc_core::sc_port_policy POL> class tlm_base_initiator_socket; + +template <unsigned int BUSWIDTH = 32, + typename FW_IF = tlm_fw_transport_if<>, + typename BW_IF = tlm_bw_transport_if<>, + int N = 1, + sc_core::sc_port_policy POL = sc_core::SC_ONE_OR_MORE_BOUND> +class tlm_base_target_socket : public tlm_base_socket_if, + public tlm_base_target_socket_b<BUSWIDTH, FW_IF, BW_IF>, + public sc_core::sc_export<FW_IF> +{ +public: + typedef FW_IF fw_interface_type; + typedef BW_IF bw_interface_type; + typedef sc_core::sc_port<bw_interface_type, N , POL> port_type; + + typedef sc_core::sc_export<fw_interface_type> export_type; + typedef tlm_base_initiator_socket_b<BUSWIDTH, + fw_interface_type, + bw_interface_type> base_initiator_socket_type; + + typedef tlm_base_target_socket_b<BUSWIDTH, + fw_interface_type, + bw_interface_type> base_type; + + template <unsigned int, typename, typename, int, sc_core::sc_port_policy> + friend class tlm_base_initiator_socket; + +public: + tlm_base_target_socket() + : export_type(sc_core::sc_gen_unique_name("tlm_base_target_socket")) + , m_port(sc_core::sc_gen_unique_name("tlm_base_target_socket_port")) + { + } + + explicit tlm_base_target_socket(const char* name) + : export_type(name) + , m_port(sc_core::sc_gen_unique_name((std::string(name) + "_port").c_str())) + { + } + + virtual const char* kind() const + { + return "tlm_base_target_socket"; + } + + // + // Bind target socket to initiator socket + // - Binds the port of the initiator socket to the export of the target + // socket + // - Binds the port of the target socket to the export of the initiator + // socket + // + virtual void bind(base_initiator_socket_type& s) + { + // initiator.port -> target.export + (s.get_base_port())(get_base_interface()); + // target.port -> initiator.export + get_base_port()(s.get_base_interface()); + } + + void operator() (base_initiator_socket_type& s) + { + bind(s); + } + + // + // Bind target socket to target socket (hierarchical bind) + // - Binds both the export and the port + // + virtual void bind(base_type& s) + { + // export + (get_base_export())(s.get_base_export()); + // port + (s.get_base_port())(get_base_port()); + } + + void operator() (base_type& s) + { + bind(s); + } + + // + // Bind interface to socket + // - Binds the interface to the export + // + virtual void bind(fw_interface_type& ifs) + { + export_type* exp = &get_base_export(); + if( this == exp ) { + export_type::bind( ifs ); // non-virtual function call + } else { + exp->bind( ifs ); + } + } + + void operator() (fw_interface_type& s) + { + bind(s); + } + + // + // Forward to 'size()' of port class + // + int size() const + { + return m_port.size(); + } + + // + // Forward to 'operator->()' of port class + // + bw_interface_type* operator->() + { + return m_port.operator->(); + } + + // + // Forward to 'operator[]()' of port class + // + bw_interface_type* operator[](int i) + { + return m_port.operator[](i); + } + + // Implementation of tlm_base_socket_if functions + virtual sc_core::sc_port_base & get_port_base() + { return m_port; } + virtual sc_core::sc_port_base const & get_port_base() const + { return m_port; } + virtual sc_core::sc_export_base & get_export_base() + { return *this; } + virtual sc_core::sc_export_base const & get_export_base() const + { return *this; } + virtual unsigned int get_bus_width() const + { return BUSWIDTH; } + virtual tlm_socket_category get_socket_category() const + { return TLM_TARGET_SOCKET; } + + // Implementation of tlm_base_target_socket_b functions + virtual sc_core::sc_port_b<BW_IF> & get_base_port() + { return m_port; } + virtual sc_core::sc_port_b<BW_IF> const & get_base_port() const + { return m_port; } + + virtual FW_IF & get_base_interface() + { return *this; } + virtual FW_IF const & get_base_interface() const + { return *this; } + + virtual sc_core::sc_export<FW_IF> & get_base_export() + { return *this; } + virtual sc_core::sc_export<FW_IF> const & get_base_export() const + { return *this; } + +protected: + port_type m_port; +}; + + +// +// Convenience blocking and non-blocking socket classes +// + +template <unsigned int BUSWIDTH = 32, + typename TYPES = tlm_base_protocol_types, + int N = 1, + sc_core::sc_port_policy POL = sc_core::SC_ONE_OR_MORE_BOUND> +class tlm_target_socket : + public tlm_base_target_socket <BUSWIDTH, + tlm_fw_transport_if<TYPES>, + tlm_bw_transport_if<TYPES>, + N, POL> +{ +public: + tlm_target_socket() : + tlm_base_target_socket<BUSWIDTH, + tlm_fw_transport_if<TYPES>, + tlm_bw_transport_if<TYPES>, + N, POL>() + { + } + + explicit tlm_target_socket(const char* name) : + tlm_base_target_socket<BUSWIDTH, + tlm_fw_transport_if<TYPES>, + tlm_bw_transport_if<TYPES>, + N, POL>(name) + { + } + + virtual const char* kind() const + { + return "tlm_target_socket"; + } + + virtual sc_core::sc_type_index get_protocol_types() const + { + return typeid(TYPES); + } +}; + +} // namespace tlm + +#endif // TLM_CORE_TLM_TARGET_SOCKET_H_INCLUDED_ |